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change resize flag INTER_LINEAR to INTER_LINEAR_EXACT

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fix python test_detect_and_decode_multi, sort QR in multiDetect/multiDecode
enable tests with "version_5_up.jpg", "version_5_top.jpg"
This commit is contained in:
AleksandrPanov
2022-09-28 23:52:24 +03:00
parent 3a64607d94
commit d43cb4fe7c
4 changed files with 34 additions and 26 deletions
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modules/objdetect/src/qrcode.cpp
+7 -7
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@@ -136,7 +136,7 @@ void QRDetect::init(const Mat& src, double eps_vertical_, double eps_horizontal_
const int width = cvRound(src.size().width * coeff_expansion);
const int height = cvRound(src.size().height * coeff_expansion);
Size new_size(width, height);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR_EXACT);
}
else if (min_side > 512.0)
{
@@ -524,7 +524,7 @@ bool QRDetect::localization()
const int height = cvRound(bin_barcode.size().height * coeff_expansion);
Size new_size(width, height);
Mat intermediate;
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR);
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR_EXACT);
bin_barcode = intermediate.clone();
for (size_t i = 0; i < localization_points.size(); i++)
{
@@ -537,7 +537,7 @@ bool QRDetect::localization()
const int height = cvRound(bin_barcode.size().height / coeff_expansion);
Size new_size(width, height);
Mat intermediate;
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR);
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR_EXACT);
bin_barcode = intermediate.clone();
for (size_t i = 0; i < localization_points.size(); i++)
{
@@ -2742,7 +2742,7 @@ void QRDetectMulti::init(const Mat& src, double eps_vertical_, double eps_horizo
const int width = cvRound(src.size().width * coeff_expansion);
const int height = cvRound(src.size().height * coeff_expansion);
Size new_size(width, height);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR_EXACT);
}
else if (min_side > 512.0)
{
@@ -3099,7 +3099,7 @@ int QRDetectMulti::findNumberLocalizationPoints(vector<Point2f>& tmp_localizatio
const int height = cvRound(bin_barcode.size().height * coeff_expansion);
Size new_size(width, height);
Mat intermediate;
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR);
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR_EXACT);
bin_barcode = intermediate.clone();
}
else if (purpose == ZOOMING)
@@ -3108,7 +3108,7 @@ int QRDetectMulti::findNumberLocalizationPoints(vector<Point2f>& tmp_localizatio
const int height = cvRound(bin_barcode.size().height / coeff_expansion);
Size new_size(width, height);
Mat intermediate;
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR);
resize(bin_barcode, intermediate, new_size, 0, 0, INTER_LINEAR_EXACT);
bin_barcode = intermediate.clone();
}
else
@@ -3126,7 +3126,7 @@ void QRDetectMulti::findQRCodeContours(vector<Point2f>& tmp_localization_points,
const int width = cvRound(bin_barcode.size().width);
const int height = cvRound(bin_barcode.size().height);
Size new_size(width, height);
resize(bar, bar, new_size, 0, 0, INTER_LINEAR);
resize(bar, bar, new_size, 0, 0, INTER_LINEAR_EXACT);
blur(bar, blur_image, Size(3, 3));
threshold(blur_image, threshold_output, 50, 255, THRESH_BINARY);